From 0577344cb31df11bedd8ff3b5e158425e9d699da Mon Sep 17 00:00:00 2001 From: Josh Coalson Date: Wed, 12 Sep 2007 05:27:34 +0000 Subject: [PATCH] *** empty log message *** --- examples/cpp/Makefile.am | 18 ++ examples/cpp/decode/Makefile.am | 18 ++ examples/cpp/decode/file/Makefile.am | 28 +++ examples/cpp/decode/file/Makefile.lite | 41 ++++ .../decode/file/example_cpp_decode_file.dsp | 100 +++++++++ .../file/example_cpp_decode_file.vcproj | 204 ++++++++++++++++++ examples/cpp/decode/file/main.cpp | 185 ++++++++++++++++ 7 files changed, 594 insertions(+) create mode 100644 examples/cpp/Makefile.am create mode 100644 examples/cpp/decode/Makefile.am create mode 100644 examples/cpp/decode/file/Makefile.am create mode 100644 examples/cpp/decode/file/Makefile.lite create mode 100644 examples/cpp/decode/file/example_cpp_decode_file.dsp create mode 100644 examples/cpp/decode/file/example_cpp_decode_file.vcproj create mode 100644 examples/cpp/decode/file/main.cpp diff --git a/examples/cpp/Makefile.am b/examples/cpp/Makefile.am new file mode 100644 index 00000000..e657f9e2 --- /dev/null +++ b/examples/cpp/Makefile.am @@ -0,0 +1,18 @@ +# FLAC - Free Lossless Audio Codec +# Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson +# +# This file is part the FLAC project. FLAC is comprised of several +# components distributed under difference licenses. The codec libraries +# are distributed under Xiph.Org's BSD-like license (see the file +# COPYING.Xiph in this distribution). All other programs, libraries, and +# plugins are distributed under the GPL (see COPYING.GPL). The documentation +# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the +# FLAC distribution contains at the top the terms under which it may be +# distributed. +# +# Since this particular file is relevant to all components of FLAC, +# it may be distributed under the Xiph.Org license, which is the least +# restrictive of those mentioned above. See the file COPYING.Xiph in this +# distribution. + +SUBDIRS = decode diff --git a/examples/cpp/decode/Makefile.am b/examples/cpp/decode/Makefile.am new file mode 100644 index 00000000..35bb987b --- /dev/null +++ b/examples/cpp/decode/Makefile.am @@ -0,0 +1,18 @@ +# FLAC - Free Lossless Audio Codec +# Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson +# +# This file is part the FLAC project. FLAC is comprised of several +# components distributed under difference licenses. The codec libraries +# are distributed under Xiph.Org's BSD-like license (see the file +# COPYING.Xiph in this distribution). All other programs, libraries, and +# plugins are distributed under the GPL (see COPYING.GPL). The documentation +# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the +# FLAC distribution contains at the top the terms under which it may be +# distributed. +# +# Since this particular file is relevant to all components of FLAC, +# it may be distributed under the Xiph.Org license, which is the least +# restrictive of those mentioned above. See the file COPYING.Xiph in this +# distribution. + +SUBDIRS = file diff --git a/examples/cpp/decode/file/Makefile.am b/examples/cpp/decode/file/Makefile.am new file mode 100644 index 00000000..06ad5ab3 --- /dev/null +++ b/examples/cpp/decode/file/Makefile.am @@ -0,0 +1,28 @@ +# example_cpp_decode_file - Simple FLAC file decoder using libFLAC +# Copyright (C) 2007 Josh Coalson +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +EXTRA_DIST = \ + Makefile.lite \ + example_cpp_decode_file.dsp \ + example_cpp_decode_file.vcproj \ + +noinst_PROGRAMS = example_cpp_decode_file +example_cpp_decode_file_LDADD = \ + @OGG_LIBS@ \ + @MINGW_WINSOCK_LIBS@ \ + -lm +example_cpp_decode_file_SOURCES = main.c diff --git a/examples/cpp/decode/file/Makefile.lite b/examples/cpp/decode/file/Makefile.lite new file mode 100644 index 00000000..abc93e81 --- /dev/null +++ b/examples/cpp/decode/file/Makefile.lite @@ -0,0 +1,41 @@ +# example_cpp_decode_file - Simple FLAC file decoder using libFLAC +# Copyright (C) 2007 Josh Coalson +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# +# GNU makefile +# + +topdir = ../../../.. +libdir = $(topdir)/obj/$(BUILD)/lib + +PROGRAM_NAME = example_cpp_decode_file + +INCLUDES = -I$(topdir)/include + +ifeq ($(DARWIN_BUILD),yes) +EXPLICIT_LIBS = $(libdir)/libFLAC++.a $(libdir)/libFLAC.a $(OGG_LIB_DIR)/libogg.a -lm +else +LIBS = -lFLAC++ -lFLAC -L$(OGG_LIB_DIR) -logg -lm +endif + +SRCS_CPP = main.cpp + +include $(topdir)/build/exe.mk + +LINK = $(CCC) $(LINKAGE) + +# DO NOT DELETE THIS LINE -- make depend depends on it. diff --git a/examples/cpp/decode/file/example_cpp_decode_file.dsp b/examples/cpp/decode/file/example_cpp_decode_file.dsp new file mode 100644 index 00000000..ef854fae --- /dev/null +++ b/examples/cpp/decode/file/example_cpp_decode_file.dsp @@ -0,0 +1,100 @@ +# Microsoft Developer Studio Project File - Name="example_cpp_decode_file" - Package Owner=<4> +# Microsoft Developer Studio Generated Build File, Format Version 6.00 +# ** DO NOT EDIT ** + +# TARGTYPE "Win32 (x86) Console Application" 0x0103 + +CFG=example_cpp_decode_file - Win32 Debug +!MESSAGE This is not a valid makefile. To build this project using NMAKE, +!MESSAGE use the Export Makefile command and run +!MESSAGE +!MESSAGE NMAKE /f "example_cpp_decode_file.mak". +!MESSAGE +!MESSAGE You can specify a configuration when running NMAKE +!MESSAGE by defining the macro CFG on the command line. For example: +!MESSAGE +!MESSAGE NMAKE /f "example_cpp_decode_file.mak" CFG="example_cpp_decode_file - Win32 Debug" +!MESSAGE +!MESSAGE Possible choices for configuration are: +!MESSAGE +!MESSAGE "example_cpp_decode_file - Win32 Release" (based on "Win32 (x86) Console Application") +!MESSAGE "example_cpp_decode_file - Win32 Debug" (based on "Win32 (x86) Console Application") +!MESSAGE + +# Begin Project +# PROP AllowPerConfigDependencies 0 +# PROP Scc_ProjName "" +# PROP Scc_LocalPath "" +CPP=cl.exe +RSC=rc.exe + +!IF "$(CFG)" == "example_cpp_decode_file - Win32 Release" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 0 +# PROP BASE Output_Dir "Release" +# PROP BASE Intermediate_Dir "Release" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 0 +# PROP Output_Dir "..\..\..\..\obj\release\bin" +# PROP Intermediate_Dir "Release" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /Yu"stdafx.h" /FD /c +# ADD CPP /nologo /MD /W3 /GX /O2 /I "..\..\..\..\include" /D "NDEBUG" /D "FLAC__NO_DLL" /D "WIN32" /D "_CONSOLE" /D "_MBCS" /FD /c +# SUBTRACT CPP /YX /Yc /Yu +# ADD BASE RSC /l 0x409 /d "NDEBUG" +# ADD RSC /l 0x409 /d "NDEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386 +# ADD LINK32 ..\..\..\..\obj\release\lib\libFLAC++_static.lib ..\..\..\..\obj\release\lib\libFLAC_static.lib ..\..\..\..\obj\release\lib\ogg_static.lib /nologo /subsystem:console /machine:I386 + +!ELSEIF "$(CFG)" == "example_cpp_decode_file - Win32 Debug" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 1 +# PROP BASE Output_Dir "Debug" +# PROP BASE Intermediate_Dir "Debug" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 1 +# PROP Output_Dir "..\..\..\..\obj\debug\bin" +# PROP Intermediate_Dir "Debug" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /Yu"stdafx.h" /FD /GZ /c +# ADD CPP /nologo /MDd /W3 /Gm /GX /ZI /Od /I "..\..\..\..\include" /D "_DEBUG" /D "DEBUG" /D "FLAC__NO_DLL" /D "WIN32" /D "_CONSOLE" /D "_MBCS" /FD /GZ /c +# SUBTRACT CPP /YX /Yc /Yu +# ADD BASE RSC /l 0x409 /d "_DEBUG" +# ADD RSC /l 0x409 /d "_DEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept +# ADD LINK32 ..\..\..\..\obj\release\lib\libFLAC++_static.lib ..\..\..\..\obj\debug\lib\libFLAC_static.lib ..\..\..\..\obj\release\lib\ogg_static.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept + +!ENDIF + +# Begin Target + +# Name "example_cpp_decode_file - Win32 Release" +# Name "example_cpp_decode_file - Win32 Debug" +# Begin Group "Source Files" + +# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat" +# Begin Source File + +SOURCE=.\main.cpp +# End Source File +# End Group +# Begin Group "Header Files" + +# PROP Default_Filter "h;hpp;hxx;hm;inl" +# End Group +# End Target +# End Project diff --git a/examples/cpp/decode/file/example_cpp_decode_file.vcproj b/examples/cpp/decode/file/example_cpp_decode_file.vcproj new file mode 100644 index 00000000..93e911e9 --- /dev/null +++ b/examples/cpp/decode/file/example_cpp_decode_file.vcproj @@ -0,0 +1,204 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/examples/cpp/decode/file/main.cpp b/examples/cpp/decode/file/main.cpp new file mode 100644 index 00000000..54def43b --- /dev/null +++ b/examples/cpp/decode/file/main.cpp @@ -0,0 +1,185 @@ +/* example_cpp_decode_file - Simple FLAC file decoder using libFLAC + * Copyright (C) 2007 Josh Coalson + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +/* + * This example shows how to use libFLAC to decode a FLAC file to a WAVE + * file. It only supports 16-bit stereo files. + */ + +#if HAVE_CONFIG_H +# include +#endif + +#include +#include +#include "FLAC++/decoder.h" + +FLAC__uint64 total_samples = 0; +unsigned sample_rate = 0; +unsigned channels = 0; +unsigned bps = 0; + +static bool write_little_endian_uint16(FILE *f, FLAC__uint16 x) +{ + return + fputc(x, f) != EOF && + fputc(x >> 8, f) != EOF + ; +} + +static bool write_little_endian_int16(FILE *f, FLAC__int16 x) +{ + return write_little_endian_uint16(f, (FLAC__uint16)x); +} + +static bool write_little_endian_uint32(FILE *f, FLAC__uint32 x) +{ + return + fputc(x, f) != EOF && + fputc(x >> 8, f) != EOF && + fputc(x >> 16, f) != EOF && + fputc(x >> 24, f) != EOF + ; +} + +class OurDecoder: public FLAC::Decoder::File { +public: + OurDecoder(FILE *f_): FLAC::Decoder::File(), f(f_) { } +protected: + FILE *f; + + virtual ::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]); + virtual void metadata_callback(const ::FLAC__StreamMetadata *metadata); + virtual void error_callback(::FLAC__StreamDecoderErrorStatus status); +}; + +int main(int argc, char *argv[]) +{ + bool ok = true; + FILE *fout; + + if(argc != 3) { + fprintf(stderr, "usage: %s infile.flac outfile.wav\n", argv[0]); + return 1; + } + + if((fout = fopen(argv[2], "wb")) == NULL) { + fprintf(stderr, "ERROR: opening %s for output\n", argv[2]); + return 1; + } + + OurDecoder decoder(fout); + + if(!decoder) { + fprintf(stderr, "ERROR: allocating decoder\n"); + return 1; + } + + (void)decoder.set_md5_checking(true); + + FLAC__StreamDecoderInitStatus init_status = decoder.init(argv[1]); + if(init_status != FLAC__STREAM_DECODER_INIT_STATUS_OK) { + fprintf(stderr, "ERROR: initializing decoder: %s\n", FLAC__StreamDecoderInitStatusString[init_status]); + ok = false; + } + + if(ok) { + ok = decoder.process_until_end_of_stream(); + fprintf(stderr, "decoding: %s\n", ok? "succeeded" : "FAILED"); + fprintf(stderr, " state: %s\n", decoder.get_state().resolved_as_cstring(decoder)); + } + + fclose(fout); + + return 0; +} + +::FLAC__StreamDecoderWriteStatus OurDecoder::write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]) +{ + const FLAC__uint32 total_size = (FLAC__uint32)(total_samples * channels * (bps/8)); + size_t i; + + if(total_samples == 0) { + fprintf(stderr, "ERROR: this example only works for FLAC files that have a total_samples count in STREAMINFO\n"); + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + if(channels != 2 || bps != 16) { + fprintf(stderr, "ERROR: this example only supports 16bit stereo streams\n"); + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + + /* write WAVE header before we write the first frame */ + if(frame->header.number.sample_number == 0) { + if( + fwrite("RIFF", 1, 4, f) < 4 || + !write_little_endian_uint32(f, total_size + 36) || + fwrite("WAVEfmt ", 1, 8, f) < 8 || + !write_little_endian_uint32(f, 16) || + !write_little_endian_uint16(f, 1) || + !write_little_endian_uint16(f, (FLAC__uint16)channels) || + !write_little_endian_uint32(f, sample_rate) || + !write_little_endian_uint32(f, sample_rate * channels * (bps/8)) || + !write_little_endian_uint16(f, (FLAC__uint16)(channels * (bps/8))) || /* block align */ + !write_little_endian_uint16(f, (FLAC__uint16)bps) || + fwrite("data", 1, 4, f) < 4 || + !write_little_endian_uint32(f, total_size) + ) { + fprintf(stderr, "ERROR: write error\n"); + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + + /* write decoded PCM samples */ + for(i = 0; i < frame->header.blocksize; i++) { + if( + !write_little_endian_int16(f, (FLAC__int16)buffer[0][i]) || /* left channel */ + !write_little_endian_int16(f, (FLAC__int16)buffer[1][i]) /* right channel */ + ) { + fprintf(stderr, "ERROR: write error\n"); + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + } + } + + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; +} + +void OurDecoder::metadata_callback(const ::FLAC__StreamMetadata *metadata) +{ + /* print some stats */ + if(metadata->type == FLAC__METADATA_TYPE_STREAMINFO) { + /* save for later */ + total_samples = metadata->data.stream_info.total_samples; + sample_rate = metadata->data.stream_info.sample_rate; + channels = metadata->data.stream_info.channels; + bps = metadata->data.stream_info.bits_per_sample; + + fprintf(stderr, "sample rate : %u Hz\n", sample_rate); + fprintf(stderr, "channels : %u\n", channels); + fprintf(stderr, "bits per sample: %u\n", bps); +#ifdef _MSC_VER + fprintf(stderr, "total samples : %I64u\n", total_samples); +#else + fprintf(stderr, "total samples : %llu\n", total_samples); +#endif + } +} + +void OurDecoder::error_callback(::FLAC__StreamDecoderErrorStatus status) +{ + fprintf(stderr, "Got error callback: %s\n", FLAC__StreamDecoderErrorStatusString[status]); +}